VOCOPRO Wireless Microphones &amp Vocal Eliminator, 1X1X1 (KARAOKEDUAL) Powerful 100W Amplifier With Dedicated Subwoofer For High Quality Karaoke Audio 	Two Digital Wireless Microphones, Operating in the License-free 2.4Ghz Band Bluetooth Enabled To Stream Audio Wirelessly From Smartphones or Tablets** Connect A Smart TV With The Digital Optical Input to Access Karaoke Tracks Available On YouTube* or Your Favorite Karaoke App* (PCM Signals Only, Dolby encoded audio is incompatible. ) Independent Audio Controls Built Into Each Microphone 	MPX Vocal Cancel To Remove The Main Vocal Track On Multiplexed Karaoke Tracks Vocal Eliminator Feature to Reduce The Original Vocals On non-Karaoke Tracks 	1/8th Stereo Input Available For Any Other Music Sources Internet Connection Required*